CVE-2009-3984 Security feature bypass in n/a

Medium 6.8 Published Updated

Remote attackers can spoof SSL indicators for HTTP or file URLs by exploiting a specific redirect behavior, misleading users about connection security.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2009-3984?

CVE-2009-3984 is a medium-severity vulnerability in Mozilla Firefox, published on 17 Dec 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an http URL or a file URL by setting document.location to an https URL corresponding to a site that responds with a No Content (aka 204) status code and an empty body.

Which versions are affected by CVE-2009-3984?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2009-3984?

Upgrade to a fixed version.

Is CVE-2009-3984 being exploited?

There is no known exploitation of CVE-2009-3984 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-48cw-4934-3rhw.

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